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YBa2Cu3O7-x单晶的生长
Growth of YBa2Cu3O7-x Single Crystals
【摘要】 <正> Damento等人和Kaiser等人用助熔剂法分别选用过量的CuO和CuO+BaCuO2作为助熔剂,采用不同的生长条件,均生长出毫米量级的片状YBa2Cu3O7-x单晶,Tc85~90K。我们研究了这两种方法,改进了生长条件,获得线度为2~3mm、厚度约为0.1mm的质量较好的YBa2Cu3O7-x单晶。 按文献的方法,我们用的原料配比(摩尔比)为:
【Abstract】 YBa2Cu-3O7-x single crystals with the size of 2×2×0. 1mm3 were prepared by using excess CuO or CuO+BaCuO2 as fusing agent under different conditions. After the crystals were annealed in flowing oxygen at 450℃ for 13th, the onset superconducting transition temperature was typically 95K.
- 【文献出处】 吉林大学自然科学学报 ,Journal of Jilin University , 编辑部邮箱 ,1988年02期
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